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In Computer Science, an Abox is an "assertion component"—a fact associated with a terminological vocabulary within a knowledge base. Computer science, or computing science, is the study of the theoretical foundations of information and computation and their implementation and application in computer systems. ...
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The terms Abox and Tbox are used to describe two different types of statements in ontologies. Tbox statements describe a system in terms of controlled vocabularies, for example, a set of classes and properties. Abox are Tbox-compliant statements about that vocabulary. This article is about the philosophical meaning of ontology. ...
Tbox statements are sometimes associated with object-oriented classes and Abox statements associated with instances of those classes. Together Abox and Tbox statements make up a knowledge base. To meet Wikipedias quality standards, this article or section may require cleanup. ...
Examples of Abox and Tbox statements
Abox statements typically have the form: A is an instance of B or John is a Person This should be contrasted with Tbox statements or (statements) about terminology such as: All Students are subclasses of Person or There are two types of Persons: Students and Teachers Tbox statements tend to be more permanent within a knowledge base and tend to be stored in a data model or a metadata registry. In contrast, Abox statements are much more dynamic in nature and tend to be stored as instance data within transactional systems within relational databases. A Metadata Registry is a central place where metadata definitions are stored and maintained. ...
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